Product Parameters:<br> Color: Black<br> Diameter: 11cm<br> Dimensions: 17.5x 11 x 9 cm<br> Package Contents:<br> Wheel * 2<br> Bracket * 2<br> Screw Nut * 2<br> Fixed buckle * 2<br> :<br> Designed for road exercises for cycling beginners, helping learners until they have developed a sense of balance for the bike.<br> Enhance your child's safety and confidence.<br> High-quality ABS wheels and high-quality steel support arms. Our training wheel support arms have a thickness of 3.0mm. For beginners, this means more safety and stability.<br> The training wheels are suitable for most 12-20 inch single-speed bicycles with a horizontal rearward-facing drawbar end.<br> The training wheels are made of high-quality rubber and guarantee the necessary safety and stability.<br> With really large wheels, all types of bicycles look fantastic, stylish, and beautiful.<br> These wheels are individually adjustable and easy to install.